Thunnus

Thunnus is a genus of ocean-dwelling fish in the family Scombridae. The genus is commonly known as tuna. Thunnus consists of several species, including the Atlantic bluefin tuna (Thunnus thynnus), Pacific bluefin tuna (Thunnus orientalis), Southern bluefin tuna (Thunnus maccoyii), bigeye tuna (Thunnus obesus), yellowfin tuna (Thunnus albacares), longtail tuna (Thunnus tonggol), blackfin tuna (Thunnus atlanticus), and albacore (Thunnus alalunga).

Biology

Thunnus species are known for their speed and endurance. They are warm-blooded, which is a rare trait among fish, and enables them to tolerate cold waters and migrate long distances. Their bodies are streamlined for efficient swimming and they have a large, lunate tail.

Commercial Importance

Thunnus species are of significant commercial importance. They are a popular target for commercial and recreational fishing industries. The bluefin tuna species are highly prized for sushi and sashimi in Japan.

Conservation

Several species of Thunnus, including the Atlantic bluefin tuna, are threatened by overfishing. International efforts are underway to manage tuna fisheries and conserve these species.

See Also

• Scombridae
• Fish
• Overfishing

References

Thunnus Resources
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